IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 4 February 2015 (all times are UTC)
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| 06:56 | <alkisg> stgraber, ogra_: in 12.04, update-manager uninstalls ltsp, breaking ltsp-pnp, I've filed an SRU for that and it's in the SRU review queue, is there some way to speed things up?
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| 06:58 | I see it's in "low priority" there, and I see other SRUs that are there for over a month, but I believe it's a bit more urgent than that...
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| 07:11 | <ame> I have mounted /proc to /opt/ltsp/amd64/proc and now java is working on client computer locally but if i connect any device other than pendrive my clients computer is not detecting that device....May i know what do for that??
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| 07:12 | I am sure that we need to mount something with chroot..I have tried these command for mounting but still my client computer is not detecting" mount /dev -o bind /opt/ltsp/amd64/dev"
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| 07:13 | <alkisg> ame: I think you should find some technician to help you, you're testing things that make no sense...
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| 07:13 | It shouldn't need more that 1-2 hours to setup what you want, yet you're trying for 1-2 months now...
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| 07:14 | <ame> alkisg:I am just learning alone without expertise like...Expecting expert like you to help
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| 07:14 | <alkisg> But the difference from what you know to what you want to do is too big
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| 07:15 | Know when to ask for professional help... this is one such case
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| 07:15 | <ame> alkisg:Am very new to ltsp and also linux...
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| 07:15 | <alkisg> Have someone help you setup what you want, and then take your time learning things
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| 07:15 | Yes, I understand, but trying random things won't help you learn either
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| 07:16 | <ame> alkisg:The only problem i am facing that no device is detecting on client computer other than mass storage
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| 07:17 | <alkisg> Yes thin clients can only use mass storage usb devices
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| 07:17 | You'd need fat clients for that
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| 07:17 | But bind-mounting things in the chroot won't help...
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| 07:17 | <ame> alkisg:For that i need to configure ltsp-pnp??
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| 07:17 | <alkisg> The problem is that you don't have the experience to analyze your situation
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| 07:17 | <ame> alkisg:yes offcourse
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| 07:18 | <alkisg> You need to hire someone, to describe to him what you want to do, and then after he spends a few hours and does it for you, to learn what he did and build on top of that
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| 07:18 | <ame> alkisg:I cant find anyone here knowing these ltsp environment
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| 07:18 | <alkisg> Try some local linux expert, or find one from the ltsp mailing list etc
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| 07:19 | OK then try the ltsp mailing list
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| 07:19 | <ame> alkisg:From where i need to do that??
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| 07:19 | <alkisg> !ltsp-ml
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| 07:19 | <ltsp`> I do not know about 'ltsp-ml', but I do know about these similar topics: 'ltsp-pnp', 'ltsp5', 'ltsp', 'ltsp6', 'ltsp42', 'ltsp-bug'
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| 07:19 | <alkisg> !mailing-list
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| 07:19 | <ltsp`> Error: "mailing-list" is not a valid command.
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| 07:19 | <alkisg> !ml
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| 07:19 | <ltsp`> Error: "ml" is not a valid command.
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| 07:19 | <alkisg> Meh
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| 07:20 | !ltsp-discuss
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| 07:20 | <ltsp`> ltsp-discuss: at https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
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| 07:20 | <alkisg> That's the ltsp mailing list ^
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| 07:20 | Where are you located, in which country?
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| 07:21 | <ame> alkisg:India
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| 07:21 | <alkisg> In some university? Were you also trying raspberry pis?
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| 07:22 | <ame> alkisg:shall i ask you one thing??
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| 07:22 | <alkisg> Sure, but my answers usually don't help you because that one thing you're asking is not what you need... :)
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| 07:22 | <ame> alkisg:ltsp-pnp will solve all these problem??
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| 07:22 | <alkisg> The answer is "I don't know until I learn your expected use, how you plan to use ltsp"
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| 07:23 | But from what I've heard so far, yes, ltsp-pnp will help you very much
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| 07:24 | <ame> alkisg:How you plan to use ltsp??In the sense??
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| 07:24 | <alkisg> In which environment, what server, what clients, what network, what applications...
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| 07:26 | <ame> alkisg:ubuntu environment,Want to control and cetralized storage from one computer,I will use all engineering related applications
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| 07:27 | <alkisg> Are you able to setup all those applications in one computer that doesn't have ltsp in it?
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| 07:27 | <ame> alkisg:I am just having a computer as server with the following configuration:i7 processor,8GB RAM,500 GB hdd
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| 07:27 | yes i can
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| 07:27 | <alkisg> Then with ltsp-pnp you can netboot all the others in 1 hour
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| 07:27 | And have centralized authentication, home directories etc
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| 07:28 | <ame> alkisg:Can you pls tell me i can change the existing ltsp to ltsp-pnp
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| 07:28 | without formatting operating systems??
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| 07:29 | <alkisg> You can. But I can't tell you how to do it, your knowledge isn't enough for a general description, and IRC isn't good for step-by-step instructions
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| 07:29 | You do need to hire someone to do it for you.
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| 07:29 | Send a mail in the ltsp mailing list, maybe someone will be interested
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| 07:29 | <ame> alkisg:To help online ??\
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| 07:30 | <alkisg> Yes, with remote support, vnc, chat, skype etc
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| 07:30 | <ame> alkisg:Thank you alkisg.I will mail and find someone to help...
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| 07:30 | <alkisg> You're welcome, I hope that you do :)
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| 07:31 | <ame> alkisg:is this the mail address "ltsp-discuss@lists.sourceforge.net"
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| 07:31 | ??\
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| 07:31 | <alkisg> Yes but you need to become a member to that list before you send mails to it
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| 07:31 | Follow the instructions of the web page
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| 07:31 | !ltsp-discuss
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| 07:31 | <ltsp`> ltsp-discuss: at https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
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| 07:31 | <ame> ok
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| 07:31 | i do alkisg
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| 07:31 | bye leaving
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| 07:32 | <alkisg> Bye
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| 16:40 | <pingufan> Hello, I ask again because I cound't get successful help in last days. Can somebody, please, help me getting kiwi-ltsp working again on openSUSE 12.3 ? It was a working 12.2 system, I did a "dup", and somehow this had impact on kiwi-ltsp. The thin client sais during bootup "... not supported by kernel ..." and reboots.
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| 16:40 | If somebody can help, please.
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| 18:07 | <geekgirlsc> Cany anyone point me in the right direction for getting Firefox to load reliabily in a LTSP environement? Chromium seems to work fine. Should I just ditch Firefox entirely? What does everyone here do?
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| 18:15 | <vagrantc> geekgirlsc: what problems are you having with firefox loading?
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| 18:17 | <geekgirlsc> It seems to load ok on the 1st thin client. (just a bit slow) After that it refuses to load on any more. It says it is already opened. I did some searching and changed some preferences in FF but that didnt seem to do anything.
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| 18:17 | <vagrantc> are you using the same user for multiple clients?
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| 18:18 | <geekgirlsc> No I have a different user for each client.
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| 18:18 | <vagrantc> more detailed errors in ~/.xsession-errors?
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| 18:20 | <dinhduy3110> hello, I am just instal fresh ubuntu 14.04 LTSP, now from LTSP client when i play video or watch video on youtube it seem very lag. I don't know how to fix it, my ethernet is 100mbs.
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| 18:21 | <vagrantc> dinhduy3110: your server ethernet is 100mbit?
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| 18:21 | <geekgirlsc> @vagrantc looking for that file. cd ..
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| 18:21 | <vagrantc> dinhduy3110: fat or thin clients?
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| 18:22 | dinhduy3110: using LDM_DIRECTX=true in lts.conf?
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| 18:22 | <dinhduy3110> yes that right, it a fat client
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| 18:22 | yes i use that in lts.conf
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| 18:22 | <vagrantc> dinhduy3110: what are the general specs on your fat clients?
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| 18:23 | dinhduy3110: are you sure they're running as fat clients?
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| 18:23 | <dinhduy3110> my server is old PC,
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| 18:24 | cpu core 2 duo e7300, VGA onboard
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| 18:24 | <vagrantc> dinhduy3110: your client hardware?
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| 18:25 | the speed of your server *mostly* doesn't matter for fat clients.
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| 18:25 | <dinhduy3110> my PC, xeon e5472, VGA nvidia 9500gt, ram 8gb, and ethernet 100mbs
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| 18:26 | <vagrantc> dinhduy3110: that's your fat client?
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| 18:27 | <dinhduy3110> yeah, because that PC i am using, and i want install a LTSP server on an other PC for lab
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| 18:27 | <vagrantc> i'm sorry, i'm not understanding you.
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| 18:27 | <dinhduy3110> sorry my bad English
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| 18:28 | <vagrantc> if you're actually running the machine with 8gb ram as your fat client, then my best guess is you've got some issue with the video card compatibility with ubuntu 14.04
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| 18:29 | if it's running as a thin client, then you should switch to using a fat client.
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| 18:29 | (or maybe localapps)
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| 18:29 | <dinhduy3110> ok, thank you about your advice, i will try it out
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| 18:29 | i am a newbie in linux
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| 18:30 | <geekgirlsc> @dinhduy3110 I found outmy video was choppy on clients when iwa srunning through a KVM switch in my test environment. When I took the KVM switch out of the picture, the video is fine. Just saying that in case you are using a KVM.
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| 18:30 | sorry my typing is apparently terrible today
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| 18:31 | @vagrantc i found that file. I am getting just a warning that says: attept to add property GOneProgram: sm-connect after class was initialized.
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| 18:32 | <vagrantc> geekgirlsc: don't see anything obvious there.
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| 18:32 | geekgirlsc: what distro and version are you running?
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| 18:33 | <geekgirlsc> edbuntu 14.04.1
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| 18:34 | <vagrantc> dinhduy3110: how do you know it's running as a fat client?
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| 18:34 | dinhduy3110: my hunch is you're running as a thin client
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| 18:36 | <dinhduy3110> I am not sure about that, I just think fat client is a machine has HDD
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| 18:39 | i will try install LTSP server on a new machine which have better hardware
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| 18:41 | <vagrantc> dinhduy3110: in LTSP terms, fat client is a machine that boots from the network with no HDD, but runs applications on the client hardware.
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| 18:41 | dinhduy3110: LTSP thin clients boot from the network and run applications on the server.
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| 18:42 | dinhduy3110: for watching videos on youtue, you don't want to use thin clients... either fat clients or thin clients + localapps.
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| 18:43 | <dinhduy3110> I setup the LTSP server from this guide
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| 18:43 | http://ubuntuforums.org/showthread.php?t=2173749
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| 18:44 | when everthing done, i start up an other PC and then select boot from network
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| 18:47 | after i login on client, it very slow, i must change the desktop enviroment from default to 2d. It better, but when i play video or watch on youtube it slow
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| 18:48 | <geekgirlsc> In your explanation to dinduy3110, I think i see my problem. Im using thing clients without localapps. I put it in the lts.conf file but I must not have it all set up quite right. I did not think I could use localapps for a client that did not have a hard drive.
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| 18:49 | <dinhduy3110> the movie or clip show lagging, like time time lapse video
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| 18:49 | <vagrantc> geekgirlsc: no, localapps just require you to install the applications in the client chroot/image
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| 18:49 | dinhduy3110: that's because you're sending raw video over a 100mbit connection.
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| 18:50 | <geekgirlsc> ok thank you so much for your explanations. Im going to find some information on how to do that.
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| 18:50 | <vagrantc> dinhduy3110: if you ran as a fat client or as a localapp, the video would be compressed
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| 18:51 | <dinhduy3110> ok, thank you so much
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| 18:51 | <vagrantc> geekgirlsc: though in general, localapps have their own quirky problems.
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| 18:51 | i'd recommend sticking with fat clients or thin clients for the sake of simplicity. fat clients require better client hardware. thin clients require better server hardware.
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| 18:52 | but streaming video on a thin client is almost certain to be slow.
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| 18:54 | <geekgirlsc> I have about 400 thin clients (no harddrives, 2gb mem) Im going to attempt to convert over to LTSP from Wyse WSM. Going to try to put a maximum of 24 on each mini server.
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| 19:03 | <alkisg_web> Check xnbd-proxy, that should help a lot in that case...
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| 19:22 | <vagrantc> geekgirlsc: with 2gb of memory, they might make decent fat clients
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| 19:23 | alkisg_web: do we need to make code changes in LTSP to better support xnbd-proxy or xnbd in general?
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| 19:25 | <geekgirlsc> I would have to add some type of local storage to make them fat clients though wouldnt I?
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| 19:25 | <vagrantc> no
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| 19:25 | at least, not in the LTSP sense
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| 19:26 | they still use the server for homedirs
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| 19:26 | all the other information is read-only or temporary.
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| 19:29 | <alkisg_web> vagrantc: yes, we should put some code for xnbd... some fat clients would run xnbd-proxy and function as replicators, and also we'd replace nbd-proxy with it, for reconnections + stability
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| 19:30 | E.g. in geekgirlsc's case, he would have 20 ltsp-servers netbooted as ltsp clients, and they'd function as replicators to 20 clients each of them with xnbd-proxy
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| 19:31 | That setup is already possible, vmlintu does that, but xnbd-proxy would make local caching etc completely transparent, no rdiffs etc
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| 20:02 | <vmlintu> alkisg_web: we use rdiffs only for laptops that may never have nbd access after initial install
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| 20:03 | <alkisg_web> vmlintu: you're not using xnbd-proxy for local caching though, are you?
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| 20:26 | <vmlintu> alkisg_web: no, we don't use xnbd-proxy
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| 22:13 | <gbaman_> you about vagrantc?
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| 22:25 | <vagrantc> gbaman_: ish
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| 22:26 | gbaman_: easier to just start asking questions though
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| 22:26 | gbaman_: then i can responsd when i respond :P
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| 22:26 | <gbaman_> Ok, am back to an old question relating to Raspi-LTSP
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| 22:26 | Suggestions for booting without a fixed IP in the cmdline.txt file?
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| 22:26 | Aka, the server somehow telling the client its IP
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| 22:27 | <vagrantc> write a script in an initramfs hook
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| 22:27 | <gbaman_> Well, coincidentally, I did that
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| 22:27 | Well, manually added it to the initramfs
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| 22:27 | <vagrantc> actually .... you should be able to just specify next-server in dhcp
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| 22:27 | <gbaman_> No control over main DHCP server
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| 22:28 | <vagrantc> so write an initramfs script that asks the network
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| 22:28 | <gbaman_> I wrote a little script using UDP broadcasts
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| 22:28 | and put it in, but weirdly it always ended up with a pile of filesystem errors
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| 22:29 | <vagrantc> avahi might be something to look into, although fitting an avahi stack into initramfs might be ambitious
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| 22:29 | <gbaman_> Also tried that too :)
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| 22:29 | Gave up, too many dependancies etc
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| 22:29 | it never seemed to want to run
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| 22:29 | <vagrantc> well, find some sort of service that can respond to broadcast requests
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| 22:30 | <gbaman_> How do I cleanly pass it to LTSP?
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| 22:30 | <vagrantc> is it ok to set up proxydhcp?
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| 22:30 | <gbaman_> Yip
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| 22:30 | As long as whatever is done does not interfere with the current network
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| 22:30 | <vagrantc> you might be able to get the dhcp client in the initramfs to use proxydhcp's port
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| 22:30 | <gbaman_> and only requires configuration on the server
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| 22:30 | <vagrantc> not sure if that'll work
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| 22:30 | <gbaman_> Again, tried that, very little documentation and ended up giving up
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| 22:31 | * vagrantc nods | |
| 22:31 | * vagrantc has no magic, and needs to restart networking... | |
| 22:31 | * vagrantc waves | |
| 22:31 | <gbaman_> In my fiddling with initramfs stuff though, I did get wireless booting working :)
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| 22:37 | <vagrantc> ok, restarted networking, didn't loose connectivity ...
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| 22:37 | wireless booting with a local kernel/initrd?
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| 23:00 | <gbaman_> vagrantc: Yip, added the wireless drivers in the initrd
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| 23:00 | Amazingly it actually works fine
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| 23:00 | Although it a tad slow
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| 23:01 | And wouldn't be suitable for more than a few clients
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| 23:04 | * vagrantc nods | |
| 23:04 | <gbaman_> It works though
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| 23:04 | which was what surpirsed me
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| 23:04 | *surprised
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| 23:05 | I won't be releasing it as a Raspi-LTSP feature though, people will just try and boot an entire classroom set with it (then email me saying it is slow)
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